you had an offer on your marsh,, abigail whitemarsvan that wrote a book about brain chemistry. high schools, there is very little interaction. you can go and watch them, and there is no conversation. they are sitting on social media. the first thing i would do as a teacher is i would take away all of their iphones when they walk in the door and say ok, you can have them when you leave. the other point i would like to make is there seems to be very , and i ameement talking about the american psychiatric association, very little agreement on actually what constitutes mental illness. i mean, does depression? is bipolar? you know, there is little agreement on how to treat some of those areas. anyway. host: thank you, joel. guest: good points. i do know schools, certainly what i work with in washington, d.c., they take away cell phones, and when my daughter goes to school, she is not supposed to be on her phone. certainly clinical digression is a diagnosis. that is treatable. being depressed, we all get depressed, but being depressed and certified is a diagnosis, as is bipolar, ptsd